Radioisotopes
(radioisotope 的復數) n. 放射性同位素\\n[化] 放射性同位素
??? 情景例句
And he's agreed to fit you into his schedule.
他同意明天把你安排進他的面談名單里 。
Save it!
你省省吧！
She's been quite different since coming back from America.
從美國回來之后，她變化很大。